145605426 has 8 divisors (see below), whose sum is σ = 291210864. Its totient is φ = 48535140.

The previous prime is 145605413. The next prime is 145605431. The reversal of 145605426 is 624506541.

145605426 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

145605426 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12133780 + ... + 12133791.

It is an arithmetic number, because the mean of its divisors is an integer number (36401358).

Almost surely, 2^145605426 is an apocalyptic number.

145605426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145605426 is a wasteful number, since it uses less digits than its factorization.

145605426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24267576.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 145605426 is about 12066.7073387897. The cubic root of 145605426 is about 526.0889578566.

The spelling of 145605426 in words is "one hundred forty-five million, six hundred five thousand, four hundred twenty-six".